389001764 has 24 divisors (see below), whose sum is σ = 704782848. Its totient is φ = 187672320.

The previous prime is 389001713. The next prime is 389001787. The reversal of 389001764 is 467100983.

It is a super-2 number, since 2×389001764² = 302644744790223392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39329 + ... + 48215.

It is an arithmetic number, because the mean of its divisors is an integer number (29365952).

Almost surely, 2^389001764 is an apocalyptic number.

It is an amenable number.

389001764 is a deficient number, since it is larger than the sum of its proper divisors (315781084).

389001764 is a wasteful number, since it uses less digits than its factorization.

389001764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275 (or 9273 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 389001764 is about 19723.1276424405. The cubic root of 389001764 is about 729.9904696323.

The spelling of 389001764 in words is "three hundred eighty-nine million, one thousand, seven hundred sixty-four".